package JD_VNU_NULL;

import java.io.BufferedReader;
import java.io.Reader;

public class Example {
    Reader prepareReader(Reader r) {
        BufferedReader bufferedReader = null;

        try {
            bufferedReader = new BufferedReader(r);
            register(bufferedReader);
        } catch (Exception e) {
            e.printStackTrace();
        }

        return bufferedReader;
    }

    private void register(BufferedReader bufferedReader) {
        // ...
    }
}
